<template>
    <div class="notice">
        <div class="search">
            <el-input clearable @clear="load" style="width: 260px; margin-right: 5px" v-model="data.title" placeholder="请输入标题查询" :prefix-icon="Search"></el-input>
            <el-button type="primary" style="margin-left: 15px;" @click="load">查 询</el-button>
        </div>
    </div>

    <div class="tool">
      <div v-if="data.user.role==='ADMIN'">
        <el-button type="success" @click="handleAdd" style="margin: 15px;" >新 增</el-button>
        <el-button type="danger" @click="deleteBatch" style="margin: 15px;" >删 除</el-button>
      </div>
      

      <el-dialog title="信息新增" v-model="data.formVisible" width="500" destroy-on-close>
      <el-form ref="formRef" :rules="data.rules" :model="data.form" label-width="80px" style="padding: 20px 30px 10px 0">
        <el-form-item prop="title" label="标题">
          <el-input v-model="data.form.title" autocomplete="off" />
        </el-form-item>
        <el-form-item prop="content" label="内容">
          <el-input type="textarea" :rows="5" v-model="data.form.content" autocomplete="off" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button @click="data.formVisible = false">取 消</el-button>
          <el-button type="primary" @click="save">保 存</el-button>
        </div>
      </template>
    </el-dialog>
    </div>

    <div class="content" >
      <el-table :data="data.tableData" style="width: 100%" :header-cell-style="{ color: '#333', backgroundColor: '#eaf4ff' }">
        <el-table-column prop="title" label="标题" />
        <el-table-column prop="content" label="公告内容">
          <!-- <template v-slot="scope">
            <span v-if="data.user.role==='ADMIN'">{{ scope.row.content }}</span>
            <span v-else>暂无权限查看</span>
          </template> -->
        </el-table-column>
        <el-table-column prop="time" label="发布时间" />
        <el-table-column  label="操作" v-if="data.user.role==='ADMIN'">
          <template #default="scope">
            <el-button type="text" @click="handleEdit(scope.row)">编辑</el-button>
            <el-button type="text" @click="del(scope.row.id)">删除</el-button>
          </template>
        </el-table-column>
        
      </el-table>
    </div>
    <div class="card">
      <el-pagination
          v-model:current-page="data.pageNum"
          v-model:page-size="data.pageSize"
          :page-size="data.pageSize"
          layout="total,sizes, prev, pager, next"
          :total="data.total"
          :page-sizes="[5, 10, 20, 40, 80]"
          @current-change="load"
          @size-change="load"
      />
    </div>
</template>

<script setup>
import { reactive,ref } from 'vue';
import { Search } from '@element-plus/icons-vue';
import request from '@/utils/request';
import { ElMessage,ElMessageBox } from 'element-plus';

const formRef=ref()
const data = reactive({
    user:JSON.parse(localStorage.getItem('code_user')||'{}'),
    title: null,
    pageNum: 1,
    pageSize: 5,
    total: 0,
    tableData: [],
    formVisible: false,
    form:{
      title:'',
      time:'',
      content:'',
  },
  rules:{
    title: [
      { required: true, message: '请输入标题', trigger: 'blur' },
      // { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
    ],
    content: [
      { required: true, message: '请输入内容', trigger: 'blur' },
      // { min: 3, max:5, message: '长度在 3 到 5 个字符',}
    ],
  },
})

const load = () => {
  console.log('data.title',data.title)
    request.get('/notice/selectPage', {
        params: {
            pageNum: data.pageNum,
            pageSize: data.pageSize,
            title: data.title
        }
    }).then(res => {
        if (res.code == '200') {
            data.tableData = res.data.list
            data.total = res.data.total
        } else {
            ElMessage.error(res.msg)
        }
    })
}  
load()

const handleAdd = () => {
  data.form = {}
  data.formVisible=true
}

const add=()=>{
  formRef.value.validate((valid) => {
    if (valid) {  
     // 验证通过的情况下
     request.post('/notice/add',data.form).then(res=>{
      if(res.code=='200'){
        ElMessage.success("新增成功")
        data.formVisible=false
        load()
      }else{
        ElMessage.error("新增失败")
        data.formVisible=false
      }
  })
    }
  })
}

const update=()=>{
  formRef.value.validate((valid) => {
    if (valid) { 
      request.post('/notice/update',data.form).then(res=>{ 
        if(res.code=='200'){
          ElMessage.success("修改成功")
          data.formVisible=false
          load()
        }
      })
    }else{
      ElMessage.error("修改失败")
    }

  })
}
const save=()=>{
  data.form.id? update():add()
}

const handleEdit=(row)=>{
  data.form=JSON.parse(JSON.stringify(row))
  data.formVisible=true

}

const del=(id)=>{
  ElMessageBox.confirm("是否删除该条信息？",'删除确认',{type:'warning'}).then(res=>{
    request.delete('/notice/delete/'+id).then(res=>{
      if(res.code=='200'){
        ElMessage.success("删除成功")
        load()
      }else{
        ElMessage.error("删除失败")
      }
    })
  }).catch(res=>{
    console.log('res',res)
  })
}

</script>

<style lang="scss" scoped>
.search{
  margin-bottom: 25px
}

.content{
  margin-bottom: 25px
}
</style>